     (.clear gl (bit-or (.-COLOR_BUFFER_BIT gl) (.-DEPTH_BUFFER_BIT gl)))
     (let [image (js/Image.)]
       (aset image "onload"
-            (fn [] (let [texture {:data {:data       image
-                                        :filter     {:min :linear
-                                                     :mag :nearest}
-                                        :flip-y     true
-                                        :texture-id 0}}]
+            (fn [] (let [texture {:data       image
+                                 :filter     {:min :linear
+                                              :mag :nearest}
+                                 :flip-y     true
+                                 :texture-id 0}]
                     (animate (draw-fn gl driver program) tick (assoc-in state [:scene :texture] texture)))))
       (aset image "src" "/images/star.gif"))))

(ns gampg.learn-gamma.lesson-09
  (:require [clojure.string :as s]
            [gamma.api :as g]
            [gamma.program :as p]
            [gamma.tools :as gt]
            [gamma-driver.drivers.basic :as driver]
            [gamma-driver.protocols :as dp]
            [goog.webgl :as ggl]
            [thi.ng.geom.core :as geom]
            [thi.ng.geom.core.matrix :as mat :refer [M44]]
            [thi.ng.geom.webgl.arrays :as arrays]))

(def title
  "9. Lots of moving objects")

                     (geom/rotate-around-axis [0 0 1] (:angle star))
                     (geom/translate [(:distance star) 0 -7])
                     (geom/rotate-around-axis [0 0 -1] (- (:angle star))))]
          (gd/draw-arrays driver (gd/bind driver program
                                          (get-data p mv star-vertices texture star-texture-coords (if twinkle?
                                                                                                     (:twinkle star)
                                                                                                     (:color star))))
                          {:draw-mode :triangle-strip}))))))  

(defn animate [draw-fn step-fn current-value]
  (js/requestAnimationFrame
